2012-09-05
2,223 reads
Sparse Columns
2012-08-29
2,126 reads
NULL-Friendly: Using Sparse Columns and Column Sets in SQL Server
Sparse columns and column sets in SQL Server 2012 provide a way of accomodating the less-structured data that has always proved to be tricky for the relational model. They can be used very effectively where the attributes are sparse for any given entity and very numerous across all entities. Seth Delconte shows how to use them.
2012-07-26
1,410 reads
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Question of the Day
BIT_COUNT I
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers